Download the setup file for Realtek Realtek High Definition Audio driver from the location below. This is the download link for the driver version 6.0.1.7259 released on 2014-06-01.

Start the driver setup file from a Windows account with administrative rights. If your User Access Control Service (UAC) is enabled then you will have to accept of the driver and run the setup with administrative rights.

Follow the driver installation wizard, which should be quite easy to follow. The driver installation wizard will analyze your PC for compatible devices and will install the driver.

Restart your PC and enjoy the new driver, as you can see it was quite smple.